Class imbalance presents significant challenges to customer churn prediction. Many datalevel sampling solutions have been developed to deal with this issue. In this paper, we comprehensively compare ...

Simple random sampling is the foundation for almost every method taught in introductory statistics classes. Many students, however, have difficulty understanding the difference between simple random ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Rachel Musiime, IAEA Department of Nuclear Sciences and ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

We can all agree that there are few marketing techniques older than sampling. Distributing samples has always been an incredibly effective way for brands to convert new customers and gain attention in ...

Math is applied to nearly every field and industry, and studying statistics and data analysis prepares students for many opportunities. Our students explore traditional statistical methods as well as ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. This publication, edited by Stéfan Arnórsson, is designed ...

Blood sampling is one of the most common procedures performed on laboratory animals as part of scientific research. As an ongoing commitment, our institution has identified a need to improve the ...